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151402230020 = 22572287104723
BaseRepresentation
bin1000110100000001000…
…1101011000100000100
3112110210111000011211202
42031000101223010010
54440032432330040
6153315255122032
713636613502266
oct2150021530404
9473714004752
10151402230020
1159233680338
1225414373318
131137ac2bc72
147483ac3b36
153e11c65015
hex234046b104

151402230020 has 24 divisors (see below), whose sum is σ = 317952117504. Its totient is φ = 60559475936.

The previous prime is 151402230017. The next prime is 151402230053. The reversal of 151402230020 is 20032204151.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 151402229974 and 151402230001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393379 + ... + 1498101.

It is an arithmetic number, because the mean of its divisors is an integer number (13248004896).

Almost surely, 2151402230020 is an apocalyptic number.

151402230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151402230020 is an abundant number, since it is smaller than the sum of its proper divisors (166549887484).

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

151402230020 is a wasteful number, since it uses less digits than its factorization.

151402230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177019 (or 177017 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 151402230020 its reverse (20032204151), we get a palindrome (171434434171).

The spelling of 151402230020 in words is "one hundred fifty-one billion, four hundred two million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 72287 104723 144574 209446 289148 361435 418892 523615 722870 1047230 1445740 2094460 7570111501 15140223002 30280446004 37850557505 75701115010 151402230020