Search a number
-
+
47971515070 = 2534421139367
BaseRepresentation
bin101100101011010100…
…110011101010111110
311120211012212110102101
4230223110303222332
51241221201440240
634012100015314
73315531102343
oct545324635276
9146735773371
1047971515070
1119387740326
12936969153a
1346a673119b
14247117c7ca
1513ab75739a
hexb2b533abe

47971515070 has 16 divisors (see below), whose sum is σ = 86351855328. Its totient is φ = 19187910880.

The previous prime is 47971515061. The next prime is 47971515071. The reversal of 47971515070 is 7051517974.

It is a super-2 number, since 2×479715150702 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47971515070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47971515071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274527 + ... + 413893.

It is an arithmetic number, because the mean of its divisors is an integer number (5396990958).

Almost surely, 247971515070 is an apocalyptic number.

47971515070 is a deficient number, since it is larger than the sum of its proper divisors (38380340258).

47971515070 is a wasteful number, since it uses less digits than its factorization.

47971515070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173795.

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 47971515070 in words is "forty-seven billion, nine hundred seventy-one million, five hundred fifteen thousand, seventy".

Divisors: 1 2 5 10 34421 68842 139367 172105 278734 344210 696835 1393670 4797151507 9594303014 23985757535 47971515070