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1020013253430 = 23579430385339
BaseRepresentation
bin11101101011111011000…
…01110001001100110110
310121111211110220001000120
432311331201301030312
5113202441343102210
62100330531552410
7133456610412453
oct16657541611466
93544743801016
101020013253430
11363648987466
1214582845b706
1375257633b32
14375243bc82a
151b7ed74e270
hexed7d871336

1020013253430 has 32 divisors (see below), whose sum is σ = 2479019558400. Its totient is φ = 268560450912.

The previous prime is 1020013253321. The next prime is 1020013253443. The reversal of 1020013253430 is 343523100201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020013253430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215190300 + ... + 215195039.

It is an arithmetic number, because the mean of its divisors is an integer number (77469361200).

Almost surely, 21020013253430 is an apocalyptic number.

1020013253430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020013253430 is an abundant number, since it is smaller than the sum of its proper divisors (1459006304970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020013253430 is a wasteful number, since it uses less digits than its factorization.

1020013253430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430385428.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 1020013253430 its reverse (343523100201), we get a palindrome (1363536353631).

The spelling of 1020013253430 in words is "one trillion, twenty billion, thirteen million, two hundred fifty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 430385339 860770678 1291156017 2151926695 2582312034 4303853390 6455780085 12911560170 34000441781 68000883562 102001325343 170002208905 204002650686 340004417810 510006626715 1020013253430