Search a number
-
+
20461155265112 = 2317253758922003
BaseRepresentation
bin1001010011011111110111…
…11001000010101001011000
32200110001211002110020012112
410221233323321002221120
510140213421221440422
6111303420331531452
74211161334060312
oct451577371025130
980401732406175
1020461155265112
1165795887a9251
1223656135b9b88
13b5562b80c983
1450a47a4ba7b2
15257395632ee2
hex129bfbe42a58

20461155265112 has 96 divisors (see below), whose sum is σ = 41530466221200. Its totient is φ = 9445429733376.

The previous prime is 20461155265093. The next prime is 20461155265139. The reversal of 20461155265112 is 21156255116402.

It is a self number, because there is not a number n which added to its sum of digits gives 20461155265112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 929914703 + ... + 929936705.

Almost surely, 220461155265112 is an apocalyptic number.

It is an amenable number.

20461155265112 is an abundant number, since it is smaller than the sum of its proper divisors (21069310956088).

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

20461155265112 is a wasteful number, since it uses less digits than its factorization.

20461155265112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29685 (or 29664 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 20461155265112 in words is "twenty trillion, four hundred sixty-one billion, one hundred fifty-five million, two hundred sixty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 53 68 106 136 212 289 424 578 901 1156 1802 2312 3604 7208 7589 15178 15317 22003 30356 30634 44006 60712 61268 88012 122536 129013 176024 258026 374051 402217 516052 748102 804434 1032104 1166159 1496204 1608868 2193221 2332318 2992408 3217736 4386442 4664636 6358867 6837689 8772884 9329272 12717734 13675378 17545768 19824703 25435468 27350756 39649406 50870936 54701512 79298812 116240713 158597624 166980767 232481426 333961534 337019951 464962852 667923068 674039902 929925704 1335846136 1348079804 2696159608 2838673039 5677346078 8849980651 11354692156 17699961302 22709384312 35399922604 48257441663 70799845208 96514883326 150449671067 193029766652 300899342134 386059533304 601798684268 1203597368536 2557644408139 5115288816278 10230577632556 20461155265112