Search a number
-
+
120631357 = 7114193739
BaseRepresentation
bin1110011000010…
…11000000111101
322101222201010001
413030023000331
5221340200412
615545314301
72663230630
oct714130075
9271881101
10120631357
1162103140
1234495991
131bcb8402
1412041c17
15a8cc957
hex730b03d

120631357 has 16 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 93749040.

The previous prime is 120631351. The next prime is 120631363. The reversal of 120631357 is 753136021.

It is an interprime number because it is at equal distance from previous prime (120631351) and next prime (120631363).

It is not a de Polignac number, because 120631357 - 223 = 112242749 is a prime.

It is a super-2 number, since 2×1206313572 = 29103848583322898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120631351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30394 + ... + 34132.

It is an arithmetic number, because the mean of its divisors is an integer number (9424800).

Almost surely, 2120631357 is an apocalyptic number.

It is an amenable number.

120631357 is a deficient number, since it is larger than the sum of its proper divisors (30165443).

120631357 is a wasteful number, since it uses less digits than its factorization.

120631357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 120631357 is about 10983.2307177806. The cubic root of 120631357 is about 494.1059356915.

Adding to 120631357 its reverse (753136021), we get a palindrome (873767378).

The spelling of 120631357 in words is "one hundred twenty million, six hundred thirty-one thousand, three hundred fifty-seven".

Divisors: 1 7 11 77 419 2933 3739 4609 26173 32263 41129 287903 1566641 10966487 17233051 120631357