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151081283720 = 23516372307289
BaseRepresentation
bin1000110010110100100…
…1010111000010001000
3112102222010002102021202
42030231021113002020
54433403302034340
6153223352123332
713625635502633
oct2145511270210
9472863072252
10151081283720
115908949a664
1225344996548
13113295a9103
14745321ac1a
153de39b9c15
hex232d257088

151081283720 has 32 divisors (see below), whose sum is σ = 340140691800. Its totient is φ = 60395570688.

The previous prime is 151081283701. The next prime is 151081283723. The reversal of 151081283720 is 27382180151.

It can be written as a sum of positive squares in 4 ways, for example, as 107784829636 + 43296454084 = 328306^2 + 208078^2 .

It is not an unprimeable number, because it can be changed into a prime (151081283723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088165 + ... + 1219124.

Almost surely, 2151081283720 is an apocalyptic number.

151081283720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151081283720 is an abundant number, since it is smaller than the sum of its proper divisors (189059408080).

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

151081283720 is a wasteful number, since it uses less digits than its factorization.

151081283720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308937 (or 2308933 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 151081283720 in words is "one hundred fifty-one billion, eighty-one million, two hundred eighty-three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1637 3274 6548 8185 13096 16370 32740 65480 2307289 4614578 9229156 11536445 18458312 23072890 46145780 92291560 3777032093 7554064186 15108128372 18885160465 30216256744 37770320930 75540641860 151081283720