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1392470800900 = 225219725992
BaseRepresentation
bin10100010000110101101…
…110100011101000000100
311221010012200110211222221
4110100311232203220010
5140303240011112100
62543405305502124
7202413503342164
oct24206556435004
94833180424887
101392470800900
114975a85135a3
121a5a537a1944
13a1403a9458a
144b5786965a4
152634c16101a
hex14435ba3a04

1392470800900 has 81 divisors (see below), whose sum is σ = 3042156593119. Its totient is φ = 553235824960.

The previous prime is 1392470800873. The next prime is 1392470800949. The reversal of 1392470800900 is 90080742931.

The square root of 1392470800900 is 1180030.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 321096755716 + 1071374045184 = 566654^2 + 1035072^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2324658801 + ... + 2324659399.

Almost surely, 21392470800900 is an apocalyptic number.

1392470800900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1392470800900 is the 1180030-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392470800900

1392470800900 is an abundant number, since it is smaller than the sum of its proper divisors (1649685792219).

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

1392470800900 is an frugal number, since it uses more digits than its factorization.

1392470800900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1392470800900 in words is "one trillion, three hundred ninety-two billion, four hundred seventy million, eight hundred thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 197 394 599 788 985 1198 1970 2396 2995 3940 4925 5990 9850 11980 14975 19700 29950 38809 59900 77618 118003 155236 194045 236006 358801 388090 472012 590015 717602 776180 970225 1180030 1435204 1794005 1940450 2360060 2950075 3588010 3880900 5900150 7176020 8970025 11800300 17940050 23246591 35880100 46493182 70683797 92986364 116232955 141367594 232465910 282735188 353418985 464931820 581164775 706837970 1162329550 1413675940 1767094925 2324659100 3534189850 7068379700 13924708009 27849416018 55698832036 69623540045 139247080090 278494160180 348117700225 696235400450 1392470800900