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1381219168504 = 23725783609289
BaseRepresentation
bin10100000110010111000…
…100111111000011111000
311220001011112112201000011
4110012113010333003320
5140112214101343004
62534305012151304
7201534620135200
oct24062704770370
94801145481004
101381219168504
1149285423764a
121a3833608534
13a032c9a5526
144abcc203400
1525dde469004
hex1419713f0f8

1381219168504 has 48 divisors (see below), whose sum is σ = 3013134022800. Its totient is φ = 591847740288.

The previous prime is 1381219168499. The next prime is 1381219168507. The reversal of 1381219168504 is 4058619121831.

It is a super-2 number, since 2×13812191685042 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381219168507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962292 + ... + 2571580.

It is an arithmetic number, because the mean of its divisors is an integer number (62773625475).

Almost surely, 21381219168504 is an apocalyptic number.

1381219168504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1381219168504 is an abundant number, since it is smaller than the sum of its proper divisors (1631914854296).

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

1381219168504 is a wasteful number, since it uses less digits than its factorization.

1381219168504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615092 (or 615081 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 1381219168504 in words is "one trillion, three hundred eighty-one billion, two hundred nineteen million, one hundred sixty-eight thousand, five hundred four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 5783 11566 23132 40481 46264 80962 161924 283367 323848 566734 609289 1133468 1218578 2266936 2437156 4265023 4874312 8530046 17060092 29855161 34120184 59710322 119420644 238841288 3523518287 7047036574 14094073148 24664628009 28188146296 49329256018 98658512036 172652396063 197317024072 345304792126 690609584252 1381219168504