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153196905977 = 1403511091527
BaseRepresentation
bin1000111010101100111…
…1110100010111111001
3112122102120000011102122
42032223033310113321
510002221401442402
6154213325211025
714032235133563
oct2165317642771
9478376004378
10153196905977
1159a74728a05
1225835400a75
13115a59a68bb
1475b41b2333
153eb95baca2
hex23ab3f45f9

153196905977 has 4 divisors (see below), whose sum is σ = 153198137856. Its totient is φ = 153195674100.

The previous prime is 153196905959. The next prime is 153196905991. The reversal of 153196905977 is 779509691351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779509691351 = 4318128132357.

It is a cyclic number.

It is not a de Polignac number, because 153196905977 - 220 = 153195857401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153196905877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405413 + ... + 686114.

It is an arithmetic number, because the mean of its divisors is an integer number (38299534464).

Almost surely, 2153196905977 is an apocalyptic number.

It is an amenable number.

153196905977 is a deficient number, since it is larger than the sum of its proper divisors (1231879).

153196905977 is a wasteful number, since it uses less digits than its factorization.

153196905977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231878.

The product of its (nonzero) digits is 16074450, while the sum is 62.

It can be divided in two parts, 15319 and 6905977, that added together give a palindrome (6921296).

The spelling of 153196905977 in words is "one hundred fifty-three billion, one hundred ninety-six million, nine hundred five thousand, nine hundred seventy-seven".

Divisors: 1 140351 1091527 153196905977