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1372342537540 = 2251317310484737
BaseRepresentation
bin10011111110000101111…
…111010100110101000100
311212012020220121010111101
4103332011333110311010
5134441024142200130
62530240115145444
7201101633046502
oct23760577246504
94765226533441
101372342537540
1148a0096493a7
121a1b768a5284
139c54695b780
144a5c9343672
1525a7000b1ca
hex13f85fd4d44

1372342537540 has 48 divisors (see below), whose sum is σ = 3286170466992. Its totient is φ = 476904554496.

The previous prime is 1372342537499. The next prime is 1372342537541. The reversal of 1372342537540 is 457352432731.

It can be written as a sum of positive squares in 8 ways, for example, as 8870625856 + 1363471911684 = 94184^2 + 1167678^2 .

It is not an unprimeable number, because it can be changed into a prime (1372342537541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155237949 + ... + 155246788.

It is an arithmetic number, because the mean of its divisors is an integer number (68461884729).

Almost surely, 21372342537540 is an apocalyptic number.

1372342537540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372342537540 is an abundant number, since it is smaller than the sum of its proper divisors (1913827929452).

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

1372342537540 is a wasteful number, since it uses less digits than its factorization.

1372342537540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310484776 (or 310484774 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 1372342537540 in words is "one trillion, three hundred seventy-two billion, three hundred forty-two million, five hundred thirty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 310484737 620969474 1241938948 1552423685 3104847370 4036301581 5278240529 6209694740 8072603162 10556481058 16145206324 20181507905 21112962116 26391202645 40363015810 52782405290 68617126877 80726031620 105564810580 137234253754 274468507508 343085634385 686171268770 1372342537540