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157022689480 = 2353925567237
BaseRepresentation
bin1001001000111101001…
…0000001100011001000
3120000022011220002202221
42102033102001203020
510033040302030410
6200045113103424
714226111560416
oct2221722014310
9500264802687
10157022689480
116065823a758
12265226b7b74
1311a6549aa17
1478583362b6
1541403cb4da
hex248f4818c8

157022689480 has 16 divisors (see below), whose sum is σ = 353301051420. Its totient is φ = 62809075776.

The previous prime is 157022689433. The next prime is 157022689487. The reversal of 157022689480 is 84986220751.

It can be written as a sum of positive squares in 2 ways, for example, as 138954490756 + 18068198724 = 372766^2 + 134418^2 .

It is a super-2 number, since 2×1570226894802 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157022689487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962783579 + ... + 1962783658.

Almost surely, 2157022689480 is an apocalyptic number.

157022689480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157022689480 is an abundant number, since it is smaller than the sum of its proper divisors (196278361940).

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

157022689480 is a wasteful number, since it uses less digits than its factorization.

157022689480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925567248 (or 3925567244 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 157022689480 in words is "one hundred fifty-seven billion, twenty-two million, six hundred eighty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 3925567237 7851134474 15702268948 19627836185 31404537896 39255672370 78511344740 157022689480