Search a number
-
+
38213711018 = 2717331485081
BaseRepresentation
bin100011100101101101…
…101111010010101010
310122122011211122200022
4203211231233102222
51111230202223033
625315524240442
72521654120130
oct434555572252
9118564748608
1038213711018
111522a70975a
1274a5840122
1337acc83232
141bc7263750
15ed9c8b098
hex8e5b6f4aa

38213711018 has 32 divisors (see below), whose sum is σ = 69572400768. Its totient is φ = 15367334400.

The previous prime is 38213710957. The next prime is 38213711021. The reversal of 38213711018 is 81011731283.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163763 + ... + 321318.

It is an arithmetic number, because the mean of its divisors is an integer number (2174137524).

Almost surely, 238213711018 is an apocalyptic number.

38213711018 is a deficient number, since it is larger than the sum of its proper divisors (31358689750).

38213711018 is a wasteful number, since it uses less digits than its factorization.

38213711018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485438.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 38213711018 in words is "thirty-eight billion, two hundred thirteen million, seven hundred eleven thousand, eighteen".

Divisors: 1 2 7 14 17 34 119 238 331 662 2317 4634 5627 11254 39389 78778 485081 970162 3395567 6791134 8246377 16492754 57724639 115449278 160561811 321123622 1123932677 2247865354 2729550787 5459101574 19106855509 38213711018