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20415433412532 = 22317100075653983
BaseRepresentation
bin1001010010001010101101…
…01010000000111110110100
32200021200210122201110120010
410221011112222000332310
510133441301423200112
6111230415353540220
74204652320534464
oct451052652007664
980250718643503
1020415433412532
116561155a28724
122358793414670
13b512231aaa32
14508180025ba4
152560bb65763c
hex129156a80fb4

20415433412532 has 24 divisors (see below), whose sum is σ = 50438129607936. Its totient is φ = 6404841854848.

The previous prime is 20415433412377. The next prime is 20415433412567. The reversal of 20415433412532 is 23521433451402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50037826788 + ... + 50037827195.

It is an arithmetic number, because the mean of its divisors is an integer number (2101588733664).

Almost surely, 220415433412532 is an apocalyptic number.

It is an amenable number.

20415433412532 is an abundant number, since it is smaller than the sum of its proper divisors (30022696195404).

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

20415433412532 is a wasteful number, since it uses less digits than its factorization.

20415433412532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100075654007 (or 100075654005 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20415433412532 its reverse (23521433451402), we get a palindrome (43936866863934).

The spelling of 20415433412532 in words is "twenty trillion, four hundred fifteen billion, four hundred thirty-three million, four hundred twelve thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 100075653983 200151307966 300226961949 400302615932 600453923898 1200907847796 1701286117711 3402572235422 5103858353133 6805144470844 10207716706266 20415433412532