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102555030830 = 25737331119627
BaseRepresentation
bin101111110000011000…
…0011001010100101110
3100210201020101100122012
41133200300121110232
53140013041441310
6115040234121222
710260260243660
oct1374060312456
9323636340565
10102555030830
113a54770662a
1217a61580212
139894c690c5
144d6c518530
152a036d5c05
hex17e0c1952e

102555030830 has 64 divisors (see below), whose sum is σ = 217328666112. Its totient is φ = 34107765120.

The previous prime is 102555030821. The next prime is 102555030847. The reversal of 102555030830 is 38030555201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797477 + ... + 917103.

It is an arithmetic number, because the mean of its divisors is an integer number (3395760408).

Almost surely, 2102555030830 is an apocalyptic number.

102555030830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102555030830 is an abundant number, since it is smaller than the sum of its proper divisors (114773635282).

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

102555030830 is a wasteful number, since it uses less digits than its factorization.

102555030830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120009.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 102555030830 in words is "one hundred two billion, five hundred fifty-five million, thirty thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 259 331 370 518 662 1295 1655 2317 2590 3310 4634 11585 12247 23170 24494 61235 85729 119627 122470 171458 239254 428645 598135 837389 857290 1196270 1674778 4186945 4426199 8373890 8852398 22130995 30983393 39596537 44261990 61966786 79193074 154916965 197982685 277175759 309833930 395965370 554351518 1385878795 1465071869 2771757590 2930143738 7325359345 10255503083 14650718690 20511006166 51277515415 102555030830