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10170137980 = 2251959716389
BaseRepresentation
bin10010111100010111…
…11111110101111100
3222020202220112120001
421132023333311330
5131312023403410
64401101204044
7510011514022
oct113613776574
928222815501
1010170137980
114349861212
121b79b60624
13c6101a532
146c69b0712
153e7cb933a
hex25e2ffd7c

10170137980 has 96 divisors (see below), whose sum is σ = 23188032000. Its totient is φ = 3734680320.

The previous prime is 10170137963. The next prime is 10170137983. The reversal of 10170137980 is 8973107101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10170137983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1588626 + ... + 1595014.

It is an arithmetic number, because the mean of its divisors is an integer number (241542000).

Almost surely, 210170137980 is an apocalyptic number.

10170137980 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 10170137980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11594016000).

10170137980 is an abundant number, since it is smaller than the sum of its proper divisors (13017894020).

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

10170137980 is a wasteful number, since it uses less digits than its factorization.

10170137980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547 (or 6545 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 37.

The spelling of 10170137980 in words is "ten billion, one hundred seventy million, one hundred thirty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 59 71 76 95 118 142 190 236 284 295 355 380 590 710 1121 1180 1349 1420 2242 2698 4189 4484 5396 5605 6389 6745 8378 11210 12778 13490 16756 20945 22420 25556 26980 31945 41890 63890 79591 83780 121391 127780 159182 242782 318364 376951 397955 453619 485564 606955 753902 795910 907238 1213910 1507804 1591820 1814476 1884755 2268095 2427820 3769510 4536190 7162069 7539020 8618761 9072380 14324138 17237522 26763521 28648276 34475044 35810345 43093805 53527042 71620690 86187610 107054084 133817605 143241380 172375220 267635210 508506899 535270420 1017013798 2034027596 2542534495 5085068990 10170137980