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1031012020232 = 231737369155511
BaseRepresentation
bin11110000000011010001…
…10101111000000001000
310122120020000000021121222
433000031012233000020
5113343003034121412
62105350153421212
7134326303401125
oct17001506570010
93576200007558
101031012020232
11368282452787
12147997a0a808
13762bb21907c
1437c8904b74c
151bc44148072
hexf00d1af008

1031012020232 has 64 divisors (see below), whose sum is σ = 2102790119040. Its totient is φ = 471932697600.

The previous prime is 1031012020231. The next prime is 1031012020237. The reversal of 1031012020232 is 2320202101301.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1031012020232.

It is not an unprimeable number, because it can be changed into a prime (1031012020231) 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, 18545357 + ... + 18600867.

It is an arithmetic number, because the mean of its divisors is an integer number (32856095610).

Almost surely, 21031012020232 is an apocalyptic number.

It is an amenable number.

1031012020232 is an abundant number, since it is smaller than the sum of its proper divisors (1071778098808).

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

1031012020232 is a wasteful number, since it uses less digits than its factorization.

1031012020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59262 (or 59258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1031012020232 its reverse (2320202101301), we get a palindrome (3351214121533).

The spelling of 1031012020232 in words is "one trillion, thirty-one billion, twelve million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 17 34 37 68 74 136 148 296 629 1258 2516 3691 5032 7382 14764 29528 55511 62747 111022 125494 136567 222044 250988 273134 444088 501976 546268 943687 1092536 1887374 2053907 2321639 3774748 4107814 4643278 7549496 8215628 9286556 16431256 18573112 34916419 69832838 139665676 204891101 279331352 409782202 819564404 1639128808 3483148717 6966297434 7580970737 13932594868 15161941474 27865189736 30323882948 60647765896 128876502529 257753005058 515506010116 1031012020232