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151165122140 = 22519397802953
BaseRepresentation
bin1000110011001000100…
…1001011011001011100
3112110011221211211222102
42030302021023121130
54434041232402030
6153235545104232
713631004223544
oct2146211133134
9473157754872
10151165122140
115912185270a
1225368a88078
1311340a81646
147460402324
153deb02ac45
hex233224b65c

151165122140 has 24 divisors (see below), whose sum is σ = 334154481360. Its totient is φ = 57283625088.

The previous prime is 151165122139. The next prime is 151165122217. The reversal of 151165122140 is 41221561151.

It is a super-2 number, since 2×1511651221402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198901097 + ... + 198901856.

It is an arithmetic number, because the mean of its divisors is an integer number (13923103390).

Almost surely, 2151165122140 is an apocalyptic number.

151165122140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151165122140 is an abundant number, since it is smaller than the sum of its proper divisors (182989359220).

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

151165122140 is a wasteful number, since it uses less digits than its factorization.

151165122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397802981 (or 397802979 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 151165122140 its reverse (41221561151), we get a palindrome (192386683291).

The spelling of 151165122140 in words is "one hundred fifty-one billion, one hundred sixty-five million, one hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 397802953 795605906 1591211812 1989014765 3978029530 7558256107 7956059060 15116512214 30233024428 37791280535 75582561070 151165122140