Search a number
-
+
380163721157 = 11192962722937
BaseRepresentation
bin1011000100000111000…
…01100000011111000101
31100100021021002222221122
411202003201200133011
522212033403034112
6450351135523325
736315545212163
oct5420341403705
91310237088848
10380163721157
11137254567520
1261818089545
1329b06b57b3c
1414585938233
159d5021c872
hex58838607c5

380163721157 has 16 divisors (see below), whose sum is σ = 451605153600. Its totient is φ = 316123597440.

The previous prime is 380163721141. The next prime is 380163721177. The reversal of 380163721157 is 751127361083.

It is a cyclic number.

It is not a de Polignac number, because 380163721157 - 24 = 380163721141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380163721177) 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, 31355408 + ... + 31367529.

It is an arithmetic number, because the mean of its divisors is an integer number (28225322100).

Almost surely, 2380163721157 is an apocalyptic number.

It is an amenable number.

380163721157 is a deficient number, since it is larger than the sum of its proper divisors (71441432443).

380163721157 is a wasteful number, since it uses less digits than its factorization.

380163721157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62722996.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 380163721157 in words is "three hundred eighty billion, one hundred sixty-three million, seven hundred twenty-one thousand, one hundred fifty-seven".

Divisors: 1 11 19 29 209 319 551 6061 62722937 689952307 1191735803 1818965173 13109093833 20008616903 34560338287 380163721157