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32130111300020 = 22517412304886033
BaseRepresentation
bin1110100111000110111111…
…10111101110000110110100
311012202121102200220110222222
413103203133313232012310
513202404431443100040
6152200211440541512
76524216052606416
oct723433767560664
9135677380813888
1032130111300020
11a268338220358
12372b045321898
1314c0b19947136
147d1169dd89b6
153aaba07a2bb5
hex1d38dfdee1b4

32130111300020 has 48 divisors (see below), whose sum is σ = 73184741351568. Its totient is φ = 11801016483840.

The previous prime is 32130111299989. The next prime is 32130111300029. The reversal of 32130111300020 is 2000311103123.

It can be written as a sum of positive squares in 8 ways, for example, as 5651327071504 + 26478784228516 = 2377252^2 + 5145754^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130111300029) 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, 1152429077 + ... + 1152456956.

It is an arithmetic number, because the mean of its divisors is an integer number (1524682111491).

Almost surely, 232130111300020 is an apocalyptic number.

It is an amenable number.

32130111300020 is an abundant number, since it is smaller than the sum of its proper divisors (41054630051548).

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

32130111300020 is a wasteful number, since it uses less digits than its factorization.

32130111300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304886100 (or 2304886098 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 32130111300020 its reverse (2000311103123), we get a palindrome (34130422403143).

The spelling of 32130111300020 in words is "thirty-two trillion, one hundred thirty billion, one hundred eleven million, three hundred thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 41 68 82 85 164 170 205 340 410 697 820 1394 2788 3485 6970 13940 2304886033 4609772066 9219544132 11524430165 23048860330 39183062561 46097720660 78366125122 94500327353 156732250244 189000654706 195915312805 378001309412 391830625610 472501636765 783661251220 945003273530 1606505565001 1890006547060 3213011130002 6426022260004 8032527825005 16065055650010 32130111300020