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272201002101021 = 3744928868491049
BaseRepresentation
bin111101111001000010111100…
…000010011010100100011101
31022200210011100212000101000010
4331321002330002122210131
5241134220123014213041
62402531225234353433
7111222605404204140
oct7571027402324435
91280704325011003
10272201002101021
1179805884469814
1226642464a2b879
13b8b65a13406a6
144b30855154057
15217088ce80a16
hexf790bc09a91d

272201002101021 has 16 divisors (see below), whose sum is σ = 415706271120000. Its totient is φ = 155197007874048.

The previous prime is 272201002100933. The next prime is 272201002101037. The reversal of 272201002101021 is 120101200102272.

272201002101021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 272201002101021 - 27 = 272201002100893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272201002101121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14434236096 + ... + 14434254953.

It is an arithmetic number, because the mean of its divisors is an integer number (25981641945000).

Almost surely, 2272201002101021 is an apocalyptic number.

272201002101021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

272201002101021 is a deficient number, since it is larger than the sum of its proper divisors (143505269018979).

272201002101021 is a wasteful number, since it uses less digits than its factorization.

272201002101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28868491508.

The product of its (nonzero) digits is 224, while the sum is 21.

Adding to 272201002101021 its reverse (120101200102272), we get a palindrome (392302202203293).

The spelling of 272201002101021 in words is "two hundred seventy-two trillion, two hundred one billion, two million, one hundred one thousand, twenty-one".

Divisors: 1 3 7 21 449 1347 3143 9429 28868491049 86605473147 202079437343 606238312029 12961952481001 38885857443003 90733667367007 272201002101021