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34398749960 = 235171992331091
BaseRepresentation
bin100000000010010100…
…110100010100001000
310021210022022112221022
4200002110310110020
51030422034444320
623445204332012
72325301356521
oct400224642410
9107708275838
1034398749960
1113652219a83
1268000a4008
1333227ab123
141944719848
15d64db7325
hex802534508

34398749960 has 128 divisors (see below), whose sum is σ = 82791072000. Its totient is φ = 12817981440.

The previous prime is 34398749953. The next prime is 34398749971. The reversal of 34398749960 is 6994789343.

It is a Cunningham number, because it is equal to 1854692-1.

It is a junction number, because it is equal to n+sod(n) for n = 34398749893 and 34398749902.

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, 31529015 + ... + 31530105.

It is an arithmetic number, because the mean of its divisors is an integer number (646805250).

Almost surely, 234398749960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34398749960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41395536000).

34398749960 is an abundant number, since it is smaller than the sum of its proper divisors (48392322040).

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

34398749960 is a wasteful number, since it uses less digits than its factorization.

34398749960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 62.

The spelling of 34398749960 in words is "thirty-four billion, three hundred ninety-eight million, seven hundred forty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 199 233 340 398 466 680 796 932 995 1091 1165 1592 1864 1990 2182 2330 3383 3961 3980 4364 4660 5455 6766 7922 7960 8728 9320 10910 13532 15844 16915 18547 19805 21820 27064 31688 33830 37094 39610 43640 46367 67660 74188 79220 92734 92735 135320 148376 158440 185468 185470 217109 231835 254203 370936 370940 434218 463670 508406 741880 788239 868436 927340 1016812 1085545 1271015 1576478 1736872 1854680 2033624 2171090 2542030 3152956 3690853 3941195 4321451 4342180 5084060 6305912 7381706 7882390 8642902 8684360 10168120 14763412 15764780 17285804 18454265 21607255 29526824 31529560 34571608 36908530 43214510 50586397 73817060 86429020 101172794 147634120 172858040 202345588 252931985 404691176 505863970 859968749 1011727940 1719937498 2023455880 3439874996 4299843745 6879749992 8599687490 17199374980 34398749960