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20514754665070 = 2547240291816489
BaseRepresentation
bin1001010101000011101101…
…01010100001101001101110
32200122012011112011212022221
410222201312222201221232
510142103204143240240
6111344203113025554
74215066513335431
oct452416652415156
980565145155287
1020514754665070
11659a29320a806
122373a919b52ba
13b5a6c11ac653
1450ccc2c81818
15258980ebba4a
hex12a876aa1a6e

20514754665070 has 32 divisors (see below), whose sum is σ = 37713820060800. Its totient is φ = 8030969554176.

The previous prime is 20514754665043. The next prime is 20514754665073. The reversal of 20514754665070 is 7056645741502.

It is a super-2 number, since 2×205147546650702 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20514754664999 and 20514754665017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514754665073) 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, 10385386 + ... + 12201874.

It is an arithmetic number, because the mean of its divisors is an integer number (1178556876900).

Almost surely, 220514754665070 is an apocalyptic number.

20514754665070 is a deficient number, since it is larger than the sum of its proper divisors (17199065395730).

20514754665070 is a wasteful number, since it uses less digits than its factorization.

20514754665070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840572.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 20514754665070 in words is "twenty trillion, five hundred fourteen billion, seven hundred fifty-four million, six hundred sixty-five thousand, seventy".

Divisors: 1 2 5 10 47 94 235 470 24029 48058 120145 240290 1129363 1816489 2258726 3632978 5646815 9082445 11293630 18164890 85374983 170749966 426874915 853749830 43648414181 87296828362 218242070905 436484141810 2051475466507 4102950933014 10257377332535 20514754665070