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20432062012015 = 5139170917202253
BaseRepresentation
bin1001010010101001101011…
…10011000101101001101111
32200100021201112100211202001
410221110311303011221233
510134224330333341030
6111242205410313131
74206111354360403
oct451246563055157
980307645324661
1020432062012015
116568209385625
12235ba542887a7
13b52973264204
14508cba667103
15256741419cca
hex129535cc5a6f

20432062012015 has 16 divisors (see below), whose sum is σ = 24709317645600. Its totient is φ = 16218558421632.

The previous prime is 20432062011997. The next prime is 20432062012031. The reversal of 20432062012015 is 51021026023402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20432062012015 is a prime.

It is a congruent number.

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, 7413372 + ... + 9788881.

It is an arithmetic number, because the mean of its divisors is an integer number (1544332352850).

Almost surely, 220432062012015 is an apocalyptic number.

20432062012015 is a deficient number, since it is larger than the sum of its proper divisors (4277255633585).

20432062012015 is a wasteful number, since it uses less digits than its factorization.

20432062012015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17204106.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 20432062012015 its reverse (51021026023402), we get a palindrome (71453088035417).

The spelling of 20432062012015 in words is "twenty trillion, four hundred thirty-two billion, sixty-two million, twelve thousand, fifteen".

Divisors: 1 5 139 695 1709 8545 237551 1187755 17202253 86011265 2391113167 11955565835 29398650377 146993251885 4086412402403 20432062012015