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155387081048 = 2332537596963
BaseRepresentation
bin1001000010110111001…
…0101011000101011000
3112212002012012120210212
42100231302223011120
510021213043043143
6155214524230252
714140431252623
oct2205562530530
9485065176725
10155387081048
115a998a57951
122614699b388
1311864678294
147741012dba
1540969e6918
hex242dcab158

155387081048 has 16 divisors (see below), whose sum is σ = 291360219480. Its totient is φ = 77691022528.

The previous prime is 155387081041. The next prime is 155387081071. The reversal of 155387081048 is 840180783551.

It is a junction number, because it is equal to n+sod(n) for n = 155387080987 and 155387081005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155387081041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38186 + ... + 558777.

Almost surely, 2155387081048 is an apocalyptic number.

It is an amenable number.

155387081048 is a deficient number, since it is larger than the sum of its proper divisors (135973138432).

155387081048 is a wasteful number, since it uses less digits than its factorization.

155387081048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629506 (or 629502 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 155387081048 in words is "one hundred fifty-five billion, three hundred eighty-seven million, eighty-one thousand, forty-eight".

Divisors: 1 2 4 8 32537 65074 130148 260296 596963 1193926 2387852 4775704 19423385131 38846770262 77693540524 155387081048