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32130691200 = 2734521131097
BaseRepresentation
bin11101111011001000…
…110111000010000000
310001221020120020020000
4131323020313002000
51011300424104300
622432144120000
72215141240356
oct357310670200
9101836506200
1032130691200
1112698a34953
126288606000
13305093a71a
1417ab4037d6
15c80c04c00
hex77b237080

32130691200 has 480 divisors, whose sum is σ = 119727643860. Its totient is φ = 8484618240.

The previous prime is 32130691157. The next prime is 32130691249. The reversal of 32130691200 is 219603123.

It can be written as a sum of positive squares in 6 ways, for example, as 1343075904 + 30787615296 = 36648^2 + 175464^2 .

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 29289052 + ... + 29290148.

Almost surely, 232130691200 is an apocalyptic number.

32130691200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130691200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59863821930).

32130691200 is an abundant number, since it is smaller than the sum of its proper divisors (87596952660).

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

32130691200 is a wasteful number, since it uses less digits than its factorization.

32130691200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

It can be divided in two parts, 32 and 130691200, that added together give a 5-th power (130691232 = 425).

The spelling of 32130691200 in words is "thirty-two billion, one hundred thirty million, six hundred ninety-one thousand, two hundred".