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191648053084 = 221913991802491
BaseRepresentation
bin1011001001111100011…
…1010011011101011100
3200022200021121211012011
42302133013103131130
511114443400144314
6224013014521004
716563134400355
oct2623707233534
9608607554164
10191648053084
1174306369934
1231186666164
13150c2bc0957
1493c0ba0d2c
154eba1084c4
hex2c9f1d375c

191648053084 has 24 divisors (see below), whose sum is σ = 353288432000. Its totient is φ = 90715716720.

The previous prime is 191648053049. The next prime is 191648053087. The reversal of 191648053084 is 480350846191.

It is a happy number.

191648053084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1916480530842 (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 (191648053087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794922 + ... + 1007569.

Almost surely, 2191648053084 is an apocalyptic number.

It is an amenable number.

191648053084 is a deficient number, since it is larger than the sum of its proper divisors (161640378916).

191648053084 is a wasteful number, since it uses less digits than its factorization.

191648053084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803913 (or 1803911 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 191648053084 in words is "one hundred ninety-one billion, six hundred forty-eight million, fifty-three thousand, eighty-four".

Divisors: 1 2 4 19 38 76 1399 2798 5596 26581 53162 106324 1802491 3604982 7209964 34247329 68494658 136989316 2521684909 5043369818 10086739636 47912013271 95824026542 191648053084