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2070781409613 = 372323318400567
BaseRepresentation
bin11110001000100100001…
…100001011100101001101
321022222001022120000022110
4132020210030023211031
5232411430020101423
64223145344134233
7302415615362610
oct36104414134515
97288038500273
102070781409613
11729239136524
122953b8607379
13120373852c77
1472325192177
1538cebee2193
hex1e22430b94d

2070781409613 has 32 divisors (see below), whose sum is σ = 3306802876416. Its totient is φ = 1126997866368.

The previous prime is 2070781409573. The next prime is 2070781409621. The reversal of 2070781409613 is 3169041870702.

It is a happy number.

It is not a de Polignac number, because 2070781409613 - 26 = 2070781409549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070781409623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9087745 + ... + 9312822.

It is an arithmetic number, because the mean of its divisors is an integer number (103337589888).

Almost surely, 22070781409613 is an apocalyptic number.

2070781409613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2070781409613 is a deficient number, since it is larger than the sum of its proper divisors (1236021466803).

2070781409613 is a wasteful number, since it uses less digits than its factorization.

2070781409613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400833.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 2070781409613 in words is "two trillion, seventy billion, seven hundred eighty-one million, four hundred nine thousand, six hundred thirteen".

Divisors: 1 3 7 21 23 69 161 233 483 699 1631 4893 5359 16077 37513 112539 18400567 55201701 128803969 386411907 423213041 1269639123 2962491287 4287332111 8887473861 12861996333 30011324777 90033974331 98608638553 295825915659 690260469871 2070781409613