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10420830157942 = 243732497766457
BaseRepresentation
bin1001011110100100100111…
…1000010011110001110110
31100220012222120102021200101
42113221021320103301312
52331213330010023232
634055132511504314
72123610612562621
oct227511170236166
940805876367611
1010420830157942
1133584a3a54386
121203762b2809a
135a78ac1531b9
14280529952db8
1513110a3da1e7
hex97a49e13c76

10420830157942 has 32 divisors (see below), whose sum is σ = 16214762041632. Its totient is φ = 5019250489344.

The previous prime is 10420830157939. The next prime is 10420830157949. The reversal of 10420830157942 is 24975103802401.

It is a junction number, because it is equal to n+sod(n) for n = 10420830157892 and 10420830157901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420830157949) by changing a digit.

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, 156772378 + ... + 156838834.

It is an arithmetic number, because the mean of its divisors is an integer number (506711313801).

Almost surely, 210420830157942 is an apocalyptic number.

10420830157942 is a deficient number, since it is larger than the sum of its proper divisors (5793931883690).

10420830157942 is a wasteful number, since it uses less digits than its factorization.

10420830157942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91552.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 10420830157942 in words is "ten trillion, four hundred twenty billion, eight hundred thirty million, one hundred fifty-seven thousand, nine hundred forty-two".

Divisors: 1 2 43 73 86 146 3139 6278 24977 49954 66457 132914 1074011 1823321 2148022 2857651 3646642 4851361 5715302 9702722 78402803 156805606 208608523 417217046 1659896489 3319792978 71375549027 121172443697 142751098054 242344887394 5210415078971 10420830157942