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151000165550 = 25213613808327
BaseRepresentation
bin1000110010100001001…
…1111010110010101110
3112102202110110012002002
42030220103322302232
54433222020244200
6153211333332302
713623632141543
oct2145023726256
9472673405062
10151000165550
1159047725353
1225321797092
1311315846ab0
147446542bca
153ddb7e4bd5
hex23284facae

151000165550 has 48 divisors (see below), whose sum is σ = 307423469472. Its totient is φ = 54839894400.

The previous prime is 151000165541. The next prime is 151000165559. The reversal of 151000165550 is 55561000151.

It is a happy number.

151000165550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (151000165541) and next prime (151000165559).

It is a super-2 number, since 2×1510001655502 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151000165559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1864514 + ... + 1943813.

It is an arithmetic number, because the mean of its divisors is an integer number (6404655614).

Almost surely, 2151000165550 is an apocalyptic number.

151000165550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151000165550 is an abundant number, since it is smaller than the sum of its proper divisors (156423303922).

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

151000165550 is a wasteful number, since it uses less digits than its factorization.

151000165550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808413 (or 3808408 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 151000165550 in words is "one hundred fifty-one billion, one hundred sixty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 61 65 122 130 305 325 610 650 793 1525 1586 3050 3965 7930 19825 39650 3808327 7616654 19041635 38083270 49508251 95208175 99016502 190416350 232307947 247541255 464615894 495082510 1161539735 1237706275 2323079470 2475412550 3020003311 5807698675 6040006622 11615397350 15100016555 30200033110 75500082775 151000165550