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155001451136 = 277172992691
BaseRepresentation
bin1001000001011011001…
…1100111001010000000
3112211002022120120000112
42100112303213022000
510014420332414021
6155112351010452
714125036411310
oct2202663471200
9484068516015
10155001451136
115a810307444
1226059809a28
13118027c86bc
147705b0d440
154072c20d5b
hex2416ce7280

155001451136 has 32 divisors (see below), whose sum is σ = 352905091680. Its totient is φ = 66429192960.

The previous prime is 155001451117. The next prime is 155001451181. The reversal of 155001451136 is 631154100551.

155001451136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86495450 + ... + 86497241.

It is an arithmetic number, because the mean of its divisors is an integer number (11028284115).

Almost surely, 2155001451136 is an apocalyptic number.

155001451136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155001451136 is an abundant number, since it is smaller than the sum of its proper divisors (197903640544).

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

155001451136 is an equidigital number, since it uses as much as digits as its factorization.

155001451136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172992712 (or 172992700 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 155001451136 its reverse (631154100551), we get a palindrome (786155551687).

The spelling of 155001451136 in words is "one hundred fifty-five billion, one million, four hundred fifty-one thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 172992691 345985382 691970764 1210948837 1383941528 2421897674 2767883056 4843795348 5535766112 9687590696 11071532224 19375181392 22143064448 38750362784 77500725568 155001451136