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3161663424 = 26327969481
BaseRepresentation
bin1011110001110011…
…0010011111000000
322011100020010212100
42330130302133000
522433341212144
61241421230400
7141230460423
oct27434623700
98140203770
103161663424
111382749587
12742a02400
133b503817a
1421dc899ba
15137879269
hexbc7327c0

3161663424 has 84 divisors (see below), whose sum is σ = 9177182560. Its totient is φ = 1040532480.

The previous prime is 3161663423. The next prime is 3161663429. The reversal of 3161663424 is 4243661613.

3161663424 is a `hidden beast` number, since 3 + 1 + 6 + 16 + 634 + 2 + 4 = 666.

3161663424 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 2×31616634242 = 19992231213318807552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161663423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10764 + ... + 80244.

Almost surely, 23161663424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161663424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4588591280).

3161663424 is an abundant number, since it is smaller than the sum of its proper divisors (6015519136).

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

3161663424 is a wasteful number, since it uses less digits than its factorization.

3161663424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69578 (or 69565 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 3161663424 is about 56228.6708361491. The cubic root of 3161663424 is about 1467.7042270769.

The spelling of 3161663424 in words is "three billion, one hundred sixty-one million, six hundred sixty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 79 96 144 158 192 237 288 316 474 576 632 711 948 1264 1422 1896 2528 2844 3792 5056 5688 7584 11376 15168 22752 45504 69481 138962 208443 277924 416886 555848 625329 833772 1111696 1250658 1667544 2223392 2501316 3335088 4446784 5002632 5488999 6670176 10005264 10977998 13340352 16466997 20010528 21955996 32933994 40021056 43911992 49400991 65867988 87823984 98801982 131735976 175647968 197603964 263471952 351295936 395207928 526943904 790415856 1053887808 1580831712 3161663424