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151551490860 = 223457112177389
BaseRepresentation
bin1000110100100100101…
…1000011101100101100
3112111011212212102020000
42031021023003230230
54440334140201420
6153342150224300
713643405263140
oct2151113035454
9474155772200
10151551490860
11592aa958200
1225456355090
13113a2b2c5a3
147499859220
153e1edea690
hex23492c3b2c

151551490860 has 1440 divisors, whose sum is σ = 648220890240. Its totient is φ = 28904325120.

The previous prime is 151551490829. The next prime is 151551490879. The reversal of 151551490860 is 68094155151.

151551490860 is a `hidden beast` number, since 1 + 5 + 1 + 551 + 4 + 90 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 479 ways as a sum of consecutive naturals, for example, 1702825696 + ... + 1702825784.

It is an arithmetic number, because the mean of its divisors is an integer number (450153396).

Almost surely, 2151551490860 is an apocalyptic number.

151551490860 is a gapful number since it is divisible by the number (10) 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 151551490860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324110445120).

151551490860 is an abundant number, since it is smaller than the sum of its proper divisors (496669399380).

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

151551490860 is a wasteful number, since it uses less digits than its factorization.

151551490860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

It can be divided in two parts, 151551 and 490860, that added together give a triangular number (642411 = T1133).

The spelling of 151551490860 in words is "one hundred fifty-one billion, five hundred fifty-one million, four hundred ninety thousand, eight hundred sixty".