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161676913112 = 231113141325973
BaseRepresentation
bin1001011010010010110…
…0011110100111011000
3120110022112122011022222
42112210230132213120
510122103242204422
6202135013203212
714452335041501
oct2264454364730
9513275564288
10161676913112
1162626447870
1227401330508
13123277c19c0
147b7a509ba8
154313cd0842
hex25a4b1e9d8

161676913112 has 32 divisors (see below), whose sum is σ = 356141454480. Its totient is φ = 67836466560.

The previous prime is 161676913093. The next prime is 161676913129. The reversal of 161676913112 is 211319676161.

161676913112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1616769131122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 70661843 + ... + 70664130.

Almost surely, 2161676913112 is an apocalyptic number.

It is an amenable number.

161676913112 is an abundant number, since it is smaller than the sum of its proper divisors (194464541368).

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

161676913112 is a wasteful number, since it uses less digits than its factorization.

161676913112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141326003 (or 141325999 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The spelling of 161676913112 in words is "one hundred sixty-one billion, six hundred seventy-six million, nine hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 141325973 282651946 565303892 1130607784 1554585703 1837237649 3109171406 3674475298 6218342812 7348950596 12436685624 14697901192 20209614139 40419228278 80838456556 161676913112