Search a number
-
+
1368409029 = 31338990199
BaseRepresentation
bin101000110010000…
…0100001111000101
310112100220101021220
41101210010033011
510300303042104
6343441430553
745624166461
oct12144041705
93470811256
101368409029
11642481a59
1232233b459
1318a66a5b0
14cda4b4a1
15802047d9
hex519043c5

1368409029 has 16 divisors (see below), whose sum is σ = 1969968000. Its totient is φ = 839923776.

The previous prime is 1368409027. The next prime is 1368409039. The reversal of 1368409029 is 9209048631.

It is not a de Polignac number, because 1368409029 - 21 = 1368409027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368409027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29929 + ... + 60270.

It is an arithmetic number, because the mean of its divisors is an integer number (123123000).

Almost surely, 21368409029 is an apocalyptic number.

It is an amenable number.

1368409029 is a deficient number, since it is larger than the sum of its proper divisors (601558971).

1368409029 is a wasteful number, since it uses less digits than its factorization.

1368409029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90604.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1368409029 is about 36992.0130433584. The cubic root of 1368409029 is about 1110.2104486945.

The spelling of 1368409029 in words is "one billion, three hundred sixty-eight million, four hundred nine thousand, twenty-nine".

Divisors: 1 3 13 39 389 1167 5057 15171 90199 270597 1172587 3517761 35087411 105262233 456136343 1368409029