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7950143642 = 271394085377
BaseRepresentation
bin1110110011101110…
…11001000010011010
3202112001121010211112
413121313121002122
5112240214044032
63352515100322
7401004051230
oct73167310232
922461533745
107950143642
11340a715651
12165a5a16a2
1399910820c
14555c0a950
15317e4d1b2
hex1d9dd909a

7950143642 has 16 divisors (see below), whose sum is σ = 13726870080. Its totient is φ = 3382691328.

The previous prime is 7950143611. The next prime is 7950143659. The reversal of 7950143642 is 2463410597.

It is a super-3 number, since 3×79501436423 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7950143642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040743 + ... + 2044634.

It is an arithmetic number, because the mean of its divisors is an integer number (857929380).

Almost surely, 27950143642 is an apocalyptic number.

7950143642 is a deficient number, since it is larger than the sum of its proper divisors (5776726438).

7950143642 is a wasteful number, since it uses less digits than its factorization.

7950143642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085525.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 7950143642 is about 89163.5780013342. The cubic root of 7950143642 is about 1995.8366427420.

The spelling of 7950143642 in words is "seven billion, nine hundred fifty million, one hundred forty-three thousand, six hundred forty-two".

Divisors: 1 2 7 14 139 278 973 1946 4085377 8170754 28597639 57195278 567867403 1135734806 3975071821 7950143642