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248722634402 = 2112320592
BaseRepresentation
bin1110011110100100000…
…1100011011010100010
3212202222220111221221022
43213221001203122202
513033340443300102
6310132301125442
723653402336544
oct3475101433242
9782886457838
10248722634402
1196534496600
1240254859882
131a5ba54a468
14c076d03694
15670aaea5a2
hex39e90636a2

248722634402 has 18 divisors (see below), whose sum is σ = 410096804859. Its totient is φ = 113052216420.

The previous prime is 248722634401. The next prime is 248722634423. The reversal of 248722634402 is 204436227842.

It can be written as a sum of positive squares in only one way, i.e., 124361317201 + 124361317201 = 352649^2 + 352649^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=352649.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248722634401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7742249 + ... + 7774307.

Almost surely, 2248722634402 is an apocalyptic number.

248722634402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

248722634402 is a deficient number, since it is larger than the sum of its proper divisors (161374170457).

248722634402 is an frugal number, since it uses more digits than its factorization.

248722634402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64142 (or 32072 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 44.

The spelling of 248722634402 in words is "two hundred forty-eight billion, seven hundred twenty-two million, six hundred thirty-four thousand, four hundred two".

Divisors: 1 2 11 22 121 242 32059 64118 352649 705298 3879139 7758278 1027779481 2055558962 11305574291 22611148582 124361317201 248722634402