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101234081280520 = 23519379351458413
BaseRepresentation
bin10111000001001001100101…
…011101000011001000001000
3111021102212212011222002000001
4113001021211131003020020
5101232104344301434040
6555150143411252344
730215630623016206
oct2701114535031010
9437385764862001
10101234081280520
112a290150796801
12b42ba14baa0b4
134464443505616
141adda81816076
15ba84e656259a
hex5c1265743208

101234081280520 has 64 divisors (see below), whose sum is σ = 240397555176000. Its totient is φ = 38261168563968.

The previous prime is 101234081280467. The next prime is 101234081280547. The reversal of 101234081280520 is 25082180432101.

It is a happy number.

101234081280520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 101234081280520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175441167 + ... + 176017246.

It is an arithmetic number, because the mean of its divisors is an integer number (3756211799625).

Almost surely, 2101234081280520 is an apocalyptic number.

101234081280520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101234081280520 is an abundant number, since it is smaller than the sum of its proper divisors (139163473895480).

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

101234081280520 is a wasteful number, since it uses less digits than its factorization.

101234081280520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351458822 (or 351458818 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 101234081280520 in words is "one hundred one trillion, two hundred thirty-four billion, eighty-one million, two hundred eighty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 379 380 758 760 1516 1895 3032 3790 7201 7580 14402 15160 28804 36005 57608 72010 144020 288040 351458413 702916826 1405833652 1757292065 2811667304 3514584130 6677709847 7029168260 13355419694 14058336520 26710839388 33388549235 53421678776 66777098470 133202738527 133554196940 266405477054 267108393880 532810954108 666013692635 1065621908216 1332027385270 2530852032013 2664054770540 5061704064026 5328109541080 10123408128052 12654260160065 20246816256104 25308520320130 50617040640260 101234081280520