Search a number
-
+
1157376451840 = 2857129171479
BaseRepresentation
bin10000110101111001000…
…000110010010100000000
311002122101112222111222121
4100311321000302110000
5122430301332424330
62243405202014024
7146421603343540
oct20657100622400
94078345874877
101157376451840
1140692791a534
12168383047314
13851a8b390ab
1440035749320
152018cc2117a
hex10d79032500

1157376451840 has 72 divisors (see below), whose sum is σ = 3168318061440. Its totient is φ = 396814780416.

The previous prime is 1157376451837. The next prime is 1157376451849. The reversal of 1157376451840 is 481546737511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157376451849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64576780 + ... + 64594699.

It is an arithmetic number, because the mean of its divisors is an integer number (44004417520).

Almost surely, 21157376451840 is an apocalyptic number.

1157376451840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157376451840 is an abundant number, since it is smaller than the sum of its proper divisors (2010941609600).

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

1157376451840 is an equidigital number, since it uses as much as digits as its factorization.

1157376451840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129171507 (or 129171493 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 1157376451840 in words is "one trillion, one hundred fifty-seven billion, three hundred seventy-six million, four hundred fifty-one thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 129171479 258342958 516685916 645857395 904200353 1033371832 1291714790 1808400706 2066743664 2583429580 3616801412 4133487328 4521001765 5166859160 7233602824 8266974656 9042003530 10333718320 14467205648 16533949312 18084007060 20667436640 28934411296 33067898624 36168014120 41334873280 57868822592 72336028240 82669746560 115737645184 144672056480 165339493120 231475290368 289344112960 578688225920 1157376451840