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102620471801 = 5389227239401
BaseRepresentation
bin101111110010010101…
…0000010000111111001
3100210212210112002202212
41133210222002013321
53140131320044201
6115050532504505
710262013421661
oct1374452020771
9323783462685
10102620471801
113a580643381
1217a7b47b135
1398a569c783
144d770b11a1
152a09310abb
hex17e4a821f9

102620471801 has 32 divisors (see below), whose sum is σ = 106907558400. Its totient is φ = 98453555200.

The previous prime is 102620471773. The next prime is 102620471813. The reversal of 102620471801 is 108174026201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102620471801 - 222 = 102616277497 is a prime.

It is a super-2 number, since 2×1026204718012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102620470801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255911201 + ... + 255911601.

It is an arithmetic number, because the mean of its divisors is an integer number (3340861200).

Almost surely, 2102620471801 is an apocalyptic number.

It is an amenable number.

102620471801 is a deficient number, since it is larger than the sum of its proper divisors (4287086599).

102620471801 is a wasteful number, since it uses less digits than its factorization.

102620471801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 102620471801 in words is "one hundred two billion, six hundred twenty million, four hundred seventy-one thousand, eight hundred one".

Divisors: 1 53 89 227 239 401 4717 12031 12667 20203 21253 21271 35689 54253 91027 95839 1070759 1127363 1891517 2875409 4824431 4828517 5079467 8101403 8529671 21755453 255911401 429374359 452072563 1153039009 1936235317 102620471801