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20312650650532 = 225395814389861
BaseRepresentation
bin1001001111001011010000…
…10100111001001110100100
32122220212111112211011111011
410213211220110321032210
510130300302031304112
6111111300342352004
74164353263504312
oct447455024711644
978825445734434
1020312650650532
116521601819319
12234088972b604
13b44622cc8276
145031cd58b0b2
152535a2e8aaa7
hex1279685393a4

20312650650532 has 12 divisors (see below), whose sum is σ = 36217839367836. Its totient is φ = 9964696545440.

The previous prime is 20312650650527. The next prime is 20312650650563. The reversal of 20312650650532 is 23505605621302.

It can be written as a sum of positive squares in 2 ways, for example, as 5879383465536 + 14433267184996 = 2424744^2 + 3799114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47907194719 + ... + 47907195142.

It is an arithmetic number, because the mean of its divisors is an integer number (3018153280653).

Almost surely, 220312650650532 is an apocalyptic number.

It is an amenable number.

20312650650532 is a deficient number, since it is larger than the sum of its proper divisors (15905188717304).

20312650650532 is a wasteful number, since it uses less digits than its factorization.

20312650650532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95814389918 (or 95814389916 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 20312650650532 in words is "twenty trillion, three hundred twelve billion, six hundred fifty million, six hundred fifty thousand, five hundred thirty-two".

Divisors: 1 2 4 53 106 212 95814389861 191628779722 383257559444 5078162662633 10156325325266 20312650650532