Search a number
-
+
1020514570994 = 217139215936219
BaseRepresentation
bin11101101100110110110…
…10001001001011110010
310121120010102012121102202
432312123122021023302
5113210003212232434
62100452400543202
7133505205504632
oct16663332111362
93546112177382
101020514570994
113638859637a6
12145948321b02
137530745a849
1437570bd86c2
151b82c777a7e
hexed9b6892f2

1020514570994 has 16 divisors (see below), whose sum is σ = 1632477823200. Its totient is φ = 476787169344.

The previous prime is 1020514570993. The next prime is 1020514571029. The reversal of 1020514570994 is 4990754150201.

It is a super-2 number, since 2×10205145709942 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020514570993) 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, 107963384 + ... + 107972835.

It is an arithmetic number, because the mean of its divisors is an integer number (102029863950).

Almost surely, 21020514570994 is an apocalyptic number.

1020514570994 is a deficient number, since it is larger than the sum of its proper divisors (611963252206).

1020514570994 is a wasteful number, since it uses less digits than its factorization.

1020514570994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215936377.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 1020514570994 in words is "one trillion, twenty billion, five hundred fourteen million, five hundred seventy thousand, nine hundred ninety-four".

Divisors: 1 2 17 34 139 278 2363 4726 215936219 431872438 3670915723 7341831446 30015134441 60030268882 510257285497 1020514570994