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254251234442 = 2197194236929
BaseRepresentation
bin1110110011001010001…
…1011111010010001010
3220022021012112221102202
43230302203133102022
513131201304000232
6312445034200202
724240403556162
oct3546243372212
9808235487382
10254251234442
1198911214647
1241338283062
131ac8ba65b2a
14c43d2835a2
156931169162
hex3b328df48a

254251234442 has 16 divisors (see below), whose sum is σ = 407103537600. Its totient is φ = 118738529280.

The previous prime is 254251234429. The next prime is 254251234469. The reversal of 254251234442 is 244432152452.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 254251234396 and 254251234405.

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, 47115767 + ... + 47121162.

It is an arithmetic number, because the mean of its divisors is an integer number (25443971100).

Almost surely, 2254251234442 is an apocalyptic number.

254251234442 is a deficient number, since it is larger than the sum of its proper divisors (152852303158).

254251234442 is a wasteful number, since it uses less digits than its factorization.

254251234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94237021.

The product of its digits is 307200, while the sum is 38.

Adding to 254251234442 its reverse (244432152452), we get a palindrome (498683386894).

The spelling of 254251234442 in words is "two hundred fifty-four billion, two hundred fifty-one million, two hundred thirty-four thousand, four hundred forty-two".

Divisors: 1 2 19 38 71 142 1349 2698 94236929 188473858 1790501651 3581003302 6690821959 13381643918 127125617221 254251234442