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83123870381311 = 3073631465116033
BaseRepresentation
bin10010111001100111001000…
…110001000011010011111111
3101220022120020110002122121111
4102321213020301003103333
541343400141304200221
6452442325012142451
723336333666211364
oct2271471061032377
9356276213078544
1083123870381311
11245386a9882781
1293a5b68007a27
13374c716686b26
141675306c4646b
15992398d02be1
hex4b99c8c434ff

83123870381311 has 16 divisors (see below), whose sum is σ = 83440738974208. Its totient is φ = 82807316064000.

The previous prime is 83123870381303. The next prime is 83123870381327. The reversal of 83123870381311 is 11318307832138.

It is a cyclic number.

It is not a de Polignac number, because 83123870381311 - 23 = 83123870381303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83123870381351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5184540751 + ... + 5184556783.

It is an arithmetic number, because the mean of its divisors is an integer number (5215046185888).

Almost surely, 283123870381311 is an apocalyptic number.

83123870381311 is a deficient number, since it is larger than the sum of its proper divisors (316868592897).

83123870381311 is a wasteful number, since it uses less digits than its factorization.

83123870381311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24622.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 83123870381311 in words is "eighty-three trillion, one hundred twenty-three billion, eight hundred seventy million, three hundred eighty-one thousand, three hundred eleven".

Divisors: 1 307 3631 4651 16033 1114717 1427857 4922131 16887781 58215823 74569483 5184548767 17872257661 22892831281 270761792773 83123870381311