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102122345270240 = 255638264657939
BaseRepresentation
bin10111001110000100110110…
…000111010000101111100000
3111101120210121211101001200222
4113032010312013100233200
5101341133030342121430
61001110205135302212
730340044626242301
oct2716046607205740
9441523554331628
10102122345270240
112a5a2930643349
12b553bb297a968
1344ca13272a139
141b30a6829c7a8
15bc16835b79e5
hex5ce1361d0be0

102122345270240 has 24 divisors (see below), whose sum is σ = 241264040701320. Its totient is φ = 40848938108032.

The previous prime is 102122345270221. The next prime is 102122345270261. The reversal of 102122345270240 is 42072543221201.

It is a super-2 number, since 2×1021223452702402 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102122345270240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319132328810 + ... + 319132329129.

It is an arithmetic number, because the mean of its divisors is an integer number (10052668362555).

Almost surely, 2102122345270240 is an apocalyptic number.

102122345270240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122345270240 is an abundant number, since it is smaller than the sum of its proper divisors (139141695431080).

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

102122345270240 is an equidigital number, since it uses as much as digits as its factorization.

102122345270240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638264657954 (or 638264657946 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 102122345270240 its reverse (42072543221201), we get a palindrome (144194888491441).

The spelling of 102122345270240 in words is "one hundred two trillion, one hundred twenty-two billion, three hundred forty-five million, two hundred seventy thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 638264657939 1276529315878 2553058631756 3191323289695 5106117263512 6382646579390 10212234527024 12765293158780 20424469054048 25530586317560 51061172635120 102122345270240