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228371245986 = 23132927836487
BaseRepresentation
bin1101010010101111111…
…1001010101110100010
3210211110120210022101210
43110223333022232202
512220201014332421
6252525020210550
722333152363612
oct3245377125642
9724416708353
10228371245986
1188940684234
1238315099a56
13186c61216b0
14b0a60aca42
155e190be576
hex352bfcaba2

228371245986 has 16 divisors (see below), whose sum is σ = 491876529984. Its totient is φ = 70268075664.

The previous prime is 228371245967. The next prime is 228371246011. The reversal of 228371245986 is 689542173822.

It is a super-2 number, since 2×2283712459862 (a number of 24 digits) contains 22 as substring.

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, 1463918166 + ... + 1463918321.

It is an arithmetic number, because the mean of its divisors is an integer number (30742283124).

Almost surely, 2228371245986 is an apocalyptic number.

228371245986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228371245986 is an abundant number, since it is smaller than the sum of its proper divisors (263505283998).

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

228371245986 is a wasteful number, since it uses less digits than its factorization.

228371245986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927836505.

The product of its digits is 11612160, while the sum is 57.

The spelling of 228371245986 in words is "two hundred twenty-eight billion, three hundred seventy-one million, two hundred forty-five thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 78 2927836487 5855672974 8783509461 17567018922 38061874331 76123748662 114185622993 228371245986