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161050407704052 = 223171249632075887
BaseRepresentation
bin100100100111100101111000…
…010101111001010111110100
3210010020021020211010011011220
4210213211320111321113310
5132102122213333012202
61330305311431430340
745631336144352226
oct4447457025712764
9703207224104156
10161050407704052
1147352104634319
12160907938253b0
136bb2cb033aa89
142baac4a4d0416
151394456164abc
hex9279785795f4

161050407704052 has 48 divisors (see below), whose sum is σ = 398207809440000. Its totient is φ = 50485165166592.

The previous prime is 161050407704051. The next prime is 161050407704059. The reversal of 161050407704052 is 250407704050161.

It is a junction number, because it is equal to n+sod(n) for n = 161050407703995 and 161050407704013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161050407704051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315783148 + ... + 316292739.

It is an arithmetic number, because the mean of its divisors is an integer number (8295996030000).

Almost surely, 2161050407704052 is an apocalyptic number.

161050407704052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161050407704052 is an abundant number, since it is smaller than the sum of its proper divisors (237157401735948).

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

161050407704052 is a wasteful number, since it uses less digits than its factorization.

161050407704052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632077160 (or 632077158 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 161050407704052 in words is "one hundred sixty-one trillion, fifty billion, four hundred seven million, seven hundred four thousand, fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1249 2498 3747 4996 7494 14988 21233 42466 63699 84932 127398 254796 632075887 1264151774 1896227661 2528303548 3792455322 7584910644 10745290079 21490580158 32235870237 42981160316 64471740474 128943480948 789462782863 1578925565726 2368388348589 3157851131452 4736776697178 9473553394356 13420867308671 26841734617342 40262601926013 53683469234684 80525203852026 161050407704052