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100309140880 = 24513478592389
BaseRepresentation
bin101110101101011100…
…1000000010110010000
3100120220201100022210221
41131122321000112100
53120413120002010
6114025325002424
710150516425604
oct1353271002620
9316821308727
10100309140880
11395a4993233
12175353b3414
1395c788b040
144bd8133504
152921451dda
hex175ae40590

100309140880 has 160 divisors (see below), whose sum is σ = 256908556800. Its totient is φ = 36191840256.

The previous prime is 100309140859. The next prime is 100309140889. The reversal of 100309140880 is 88041903001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100309140889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41986726 + ... + 41989114.

It is an arithmetic number, because the mean of its divisors is an integer number (1605678480).

Almost surely, 2100309140880 is an apocalyptic number.

100309140880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100309140880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128454278400).

100309140880 is an abundant number, since it is smaller than the sum of its proper divisors (156599415920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100309140880 is a wasteful number, since it uses less digits than its factorization.

100309140880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 100309140880 in words is "one hundred billion, three hundred nine million, one hundred forty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 47 52 65 80 94 104 130 188 208 235 260 376 470 520 611 752 859 940 1040 1222 1718 1880 2389 2444 3055 3436 3760 4295 4778 4888 6110 6872 8590 9556 9776 11167 11945 12220 13744 17180 19112 22334 23890 24440 31057 34360 38224 40373 44668 47780 48880 55835 62114 68720 80746 89336 95560 111670 112283 124228 155285 161492 178672 191120 201865 223340 224566 248456 310570 322984 403730 446680 449132 496912 524849 561415 621140 645968 807460 893360 898264 1049698 1122830 1242280 1459679 1614920 1796528 2052151 2099396 2245660 2484560 2624245 2919358 3229840 4104302 4198792 4491320 5248490 5838716 7298395 8208604 8397584 8982640 10260755 10496980 11677432 14596790 16417208 20521510 20993960 23354864 26677963 29193580 32834416 41043020 41987920 53355926 58387160 82086040 96451097 106711852 116774320 133389815 164172080 192902194 213423704 266779630 385804388 426847408 482255485 533559260 771608776 964510970 1067118520 1253864261 1543217552 1929021940 2134237040 2507728522 3858043880 5015457044 6269321305 7716087760 10030914088 12538642610 20061828176 25077285220 50154570440 100309140880