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161015413410 = 2355377922669
BaseRepresentation
bin1001010111110101000…
…1000011101010100010
3120101121102220111100000
42111331101003222202
510114224421212120
6201545223040430
714430053301105
oct2257521035242
9511542814300
10161015413410
11623170042a5
12272578a0116
1312250742667
147b1671473c
1542c5bb5990
hex257d443aa2

161015413410 has 192 divisors, whose sum is σ = 451542873600. Its totient is φ = 41246330112.

The previous prime is 161015413399. The next prime is 161015413411. The reversal of 161015413410 is 14314510161.

161015413410 is a `hidden beast` number, since 1 + 6 + 101 + 541 + 3 + 4 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (161015413411) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7091556 + ... + 7114224.

It is an arithmetic number, because the mean of its divisors is an integer number (2351785800).

Almost surely, 2161015413410 is an apocalyptic number.

161015413410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161015413410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225771436800).

161015413410 is an abundant number, since it is smaller than the sum of its proper divisors (290527460190).

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

161015413410 is a wasteful number, since it uses less digits than its factorization.

161015413410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22807 (or 22795 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 161015413410 its reverse (14314510161), we get a palindrome (175329923571).

The spelling of 161015413410 in words is "one hundred sixty-one billion, fifteen million, four hundred thirteen thousand, four hundred ten".