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20497592288088 = 233394896260593
BaseRepresentation
bin1001010100100011101111…
…01101010000001101011000
32200120112212110010210002000
410222101313231100031120
510141313032111204323
6111332244111441000
74213621305465066
oct452216755201530
980515773123060
1020497592288088
116592a86525983
1223706a2226160
13b58bb76758b6
1450c1357b5036
152582c941ce43
hex12a477b50358

20497592288088 has 32 divisors (see below), whose sum is σ = 56937756356400. Its totient is φ = 6832530762624.

The previous prime is 20497592288087. The next prime is 20497592288113. The reversal of 20497592288088 is 88088229579402.

20497592288088 is a `hidden beast` number, since 2 + 0 + 4 + 9 + 7 + 592 + 28 + 8 + 0 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20497592288087) 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, 47448130081 + ... + 47448130512.

Almost surely, 220497592288088 is an apocalyptic number.

It is an amenable number.

20497592288088 is an abundant number, since it is smaller than the sum of its proper divisors (36440164068312).

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

20497592288088 is a wasteful number, since it uses less digits than its factorization.

20497592288088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94896260608 (or 94896260598 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 72.

The spelling of 20497592288088 in words is "twenty trillion, four hundred ninety-seven billion, five hundred ninety-two million, two hundred eighty-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 94896260593 189792521186 284688781779 379585042372 569377563558 759170084744 854066345337 1138755127116 1708132690674 2277510254232 2562199036011 3416265381348 5124398072022 6832530762696 10248796144044 20497592288088