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245054321123020 = 225171937934105437
BaseRepresentation
bin110111101110000000100111…
…110000101101111011001100
31012010122222000222110011100021
4313232000213300231323030
5224104432222201414040
62225104222340311524
7102421406344146523
oct6756004760557314
91163588028404307
10245054321123020
1171099a547a2682
12235992043a25a4
13a6976a5994436
14447299a03b4ba
151d4e65a3ca24a
hexdee027c2decc

245054321123020 has 48 divisors (see below), whose sum is σ = 573563674222560. Its totient is φ = 87400178924544.

The previous prime is 245054321123009. The next prime is 245054321123093. The reversal of 245054321123020 is 20321123450542.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18967046259 + ... + 18967059178.

It is an arithmetic number, because the mean of its divisors is an integer number (11949243212970).

Almost surely, 2245054321123020 is an apocalyptic number.

245054321123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245054321123020 is an abundant number, since it is smaller than the sum of its proper divisors (328509353099540).

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

245054321123020 is a wasteful number, since it uses less digits than its factorization.

245054321123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37934105482 (or 37934105480 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 245054321123020 its reverse (20321123450542), we get a palindrome (265375444573562).

The spelling of 245054321123020 in words is "two hundred forty-five trillion, fifty-four billion, three hundred twenty-one million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 1292 1615 3230 6460 37934105437 75868210874 151736421748 189670527185 379341054370 644879792429 720748003303 758682108740 1289759584858 1441496006606 2579519169716 2882992013212 3224398962145 3603740016515 6448797924290 7207480033030 12252716056151 12897595848580 14414960066060 24505432112302 49010864224604 61263580280755 122527160561510 245054321123020