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1368544008 = 2331319230861
BaseRepresentation
bin101000110010010…
…0101001100001000
310112101011020110010
41101210211030020
510300321402013
6343444351520
745625301136
oct12144451410
93471136403
101368544008
11642564407
123223a55a0
1318a6b6b70
14cda84756
158022e7c3
hex51925308

1368544008 has 64 divisors (see below), whose sum is σ = 3878481600. Its totient is φ = 398926080.

The previous prime is 1368544003. The next prime is 1368544019. The reversal of 1368544008 is 8004458631.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1368544003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109503 + ... + 121358.

It is an arithmetic number, because the mean of its divisors is an integer number (60601275).

Almost surely, 21368544008 is an apocalyptic number.

It is an amenable number.

1368544008 is an abundant number, since it is smaller than the sum of its proper divisors (2509937592).

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

1368544008 is a wasteful number, since it uses less digits than its factorization.

1368544008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230902 (or 230898 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1368544008 is about 36993.8374327401. The cubic root of 1368544008 is about 1110.2469509795.

The spelling of 1368544008 in words is "one billion, three hundred sixty-eight million, five hundred forty-four thousand, eight".

Divisors: 1 2 3 4 6 8 12 13 19 24 26 38 39 52 57 76 78 104 114 152 156 228 247 312 456 494 741 988 1482 1976 2964 5928 230861 461722 692583 923444 1385166 1846888 2770332 3001193 4386359 5540664 6002386 8772718 9003579 12004772 13159077 17545436 18007158 24009544 26318154 35090872 36014316 52636308 57022667 72028632 105272616 114045334 171068001 228090668 342136002 456181336 684272004 1368544008