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152230535401 = 721747219343
BaseRepresentation
bin1000110111000110100…
…1011010000011101001
3112112221012121110012211
42031301221122003221
54443232004113101
6153533404405121
713666262125630
oct2156151320351
9475835543184
10152230535401
115961919443a
12256058467a1
13114807126a9
147521ada517
153e5e82dc51
hex2371a5a0e9

152230535401 has 4 divisors (see below), whose sum is σ = 173977754752. Its totient is φ = 130483316052.

The previous prime is 152230535393. The next prime is 152230535419. The reversal of 152230535401 is 104535032251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104535032251 = 138041156327.

It is a cyclic number.

It is not a de Polignac number, because 152230535401 - 23 = 152230535393 is a prime.

It is a super-3 number, since 3×1522305354013 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152230535441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10873609665 + ... + 10873609678.

It is an arithmetic number, because the mean of its divisors is an integer number (43494438688).

Almost surely, 2152230535401 is an apocalyptic number.

It is an amenable number.

152230535401 is a deficient number, since it is larger than the sum of its proper divisors (21747219351).

152230535401 is an equidigital number, since it uses as much as digits as its factorization.

152230535401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21747219350.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 152230535401 its reverse (104535032251), we get a palindrome (256765567652).

The spelling of 152230535401 in words is "one hundred fifty-two billion, two hundred thirty million, five hundred thirty-five thousand, four hundred one".

Divisors: 1 7 21747219343 152230535401