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102611630615640 = 23351448959016973
BaseRepresentation
bin10111010101001100100001…
…110010101110110001011000
3111110022120112222001221000020
4113111030201302232301120
5101422142104414200030
61002123044330310440
730420305602121616
oct2725144162566130
9443276488057006
10102611630615640
112a7713914481a3
12b6129a3588420
134534309ab9cb3
141b4a60248c6b6
15bce26d723510
hex5d5321caec58

102611630615640 has 64 divisors (see below), whose sum is σ = 307856143173600. Its totient is φ = 27361212490752.

The previous prime is 102611630615609. The next prime is 102611630615647. The reversal of 102611630615640 is 46516036116201.

102611630615640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102611630615592 and 102611630615601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102611630615647) 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 15 ways as a sum of consecutive naturals, for example, 27769807 + ... + 31247166.

Almost surely, 2102611630615640 is an apocalyptic number.

102611630615640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102611630615640 is an abundant number, since it is smaller than the sum of its proper divisors (205244512557960).

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

102611630615640 is a wasteful number, since it uses less digits than its factorization.

102611630615640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59031476 (or 59031472 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 102611630615640 in words is "one hundred two trillion, six hundred eleven billion, six hundred thirty million, six hundred fifteen thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 14489 28978 43467 57956 72445 86934 115912 144890 173868 217335 289780 347736 434670 579560 869340 1738680 59016973 118033946 177050919 236067892 295084865 354101838 472135784 590169730 708203676 885254595 1180339460 1416407352 1770509190 2360678920 3541018380 7082036760 855096921797 1710193843594 2565290765391 3420387687188 4275484608985 5130581530782 6840775374376 8550969217970 10261163061564 12826453826955 17101938435940 20522326123128 25652907653910 34203876871880 51305815307820 102611630615640