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1010774376421 = 43157234763793
BaseRepresentation
bin11101011010101101101…
…10001111111111100101
310120121222121022110100121
432231112312033333211
5113030031220021141
62052202054441541
7133011634304125
oct16552666177745
93517877273317
101010774376421
1135a73786a417
12143a8a3632b1
1374414536bc4
1436cc9384c85
151b45c5d91d1
hexeb56d8ffe5

1010774376421 has 16 divisors (see below), whose sum is σ = 1041328345024. Its totient is φ = 980546321664.

The previous prime is 1010774376371. The next prime is 1010774376427. The reversal of 1010774376421 is 1246734770101.

It is a cyclic number.

It is not a de Polignac number, because 1010774376421 - 231 = 1008626892773 is a prime.

It is a super-2 number, since 2×10107743764212 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010774376427) 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, 15812701 + ... + 15876493.

It is an arithmetic number, because the mean of its divisors is an integer number (65083021564).

Almost surely, 21010774376421 is an apocalyptic number.

It is an amenable number.

1010774376421 is a deficient number, since it is larger than the sum of its proper divisors (30553968603).

1010774376421 is a wasteful number, since it uses less digits than its factorization.

1010774376421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66340.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 1010774376421 in words is "one trillion, ten billion, seven hundred seventy-four million, three hundred seventy-six thousand, four hundred twenty-one".

Divisors: 1 43 157 2347 6751 63793 100921 368479 2743099 10015501 15844597 149722171 430666543 6438053353 23506380847 1010774376421