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2131466244 = 2232935317351
BaseRepresentation
bin111111100001011…
…1001100000000100
312111112201201000020
41333002321200010
513331123404434
6551300415140
7103551110205
oct17702714004
95445651006
102131466244
119a4180156
124b59a74b0
1327c78733b
1416311b5ac
15c71d0849
hex7f0b9804

2131466244 has 48 divisors (see below), whose sum is σ = 5159790720. Its totient is φ = 684006400.

The previous prime is 2131466237. The next prime is 2131466261. The reversal of 2131466244 is 4426641312.

It is a happy number.

It is a super-2 number, since 2×21314662442 = 9086296698622935072, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114169 + ... + 131519.

It is an arithmetic number, because the mean of its divisors is an integer number (107495640).

Almost surely, 22131466244 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 2131466244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579895360).

2131466244 is an abundant number, since it is smaller than the sum of its proper divisors (3028324476).

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

2131466244 is a wasteful number, since it uses less digits than its factorization.

2131466244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740 (or 17738 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 2131466244 is about 46167.8052759713. The cubic root of 2131466244 is about 1286.9435167490.

The spelling of 2131466244 in words is "two billion, one hundred thirty-one million, four hundred sixty-six thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 353 706 1059 1412 2118 4236 10237 17351 20474 30711 34702 40948 52053 61422 69404 104106 122844 208212 503179 1006358 1509537 2012716 3019074 6038148 6124903 12249806 18374709 24499612 36749418 73498836 177622187 355244374 532866561 710488748 1065733122 2131466244