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1957412142148 = 221934137546271
BaseRepresentation
bin11100011110111110110…
…110101111110001000100
320221010102102021111212111
4130132332312233301010
5224032240002022043
64055120035230404
7261263332454131
oct34367666576104
96833372244774
101957412142148
11695152140951
12277439448404
13112777300798
146aa4c721588
1535db421309d
hex1c7bedafc44

1957412142148 has 24 divisors (see below), whose sum is σ = 3606816165120. Its totient is φ = 926923436640.

The previous prime is 1957412142131. The next prime is 1957412142173. The reversal of 1957412142148 is 8412412147591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513748 + ... + 4032523.

It is an arithmetic number, because the mean of its divisors is an integer number (150284006880).

Almost surely, 21957412142148 is an apocalyptic number.

It is an amenable number.

1957412142148 is a deficient number, since it is larger than the sum of its proper divisors (1649404022972).

1957412142148 is a wasteful number, since it uses less digits than its factorization.

1957412142148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549707 (or 7549705 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The spelling of 1957412142148 in words is "one trillion, nine hundred fifty-seven billion, four hundred twelve million, one hundred forty-two thousand, one hundred forty-eight".

Divisors: 1 2 4 19 38 76 3413 6826 13652 64847 129694 259388 7546271 15092542 30185084 143379149 286758298 573516596 25755422923 51510845846 103021691692 489353035537 978706071074 1957412142148