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130077400724 = 2251973625697
BaseRepresentation
bin111100100100100110…
…1111001111010010100
3110102202022120121110022
41321021031321322110
54112344303310344
6135431242044312
712253303443305
oct1711115717224
9412668517408
10130077400724
1150190335477
12212627a9698
13c35cc34a8b
14641d8967ac
1535b4a520ee
hex1e49379e94

130077400724 has 12 divisors (see below), whose sum is σ = 227640194964. Its totient is φ = 65037345024.

The previous prime is 130077400721. The next prime is 130077400727. The reversal of 130077400724 is 427004770031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130077400721) and next prime (130077400727).

It can be written as a sum of positive squares in 2 ways, for example, as 97551278224 + 32526122500 = 312332^2 + 180350^2 .

It is a super-2 number, since 2×1300774007242 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130077400721) 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, 104957 + ... + 520740.

It is an arithmetic number, because the mean of its divisors is an integer number (18970016247).

Almost surely, 2130077400724 is an apocalyptic number.

It is an amenable number.

130077400724 is a deficient number, since it is larger than the sum of its proper divisors (97562794240).

130077400724 is a wasteful number, since it uses less digits than its factorization.

130077400724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677674 (or 677672 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 130077400724 in words is "one hundred thirty billion, seventy-seven million, four hundred thousand, seven hundred twenty-four".

Divisors: 1 2 4 51973 103946 207892 625697 1251394 2502788 32519350181 65038700362 130077400724