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125301220023 = 3743186774323
BaseRepresentation
bin111010010110010001…
…0001110001010110111
3102222102110100111020210
41310230202032022313
54023104103020043
6133321304000503
712024036540240
oct1645442161267
9388373314223
10125301220023
114915a2aa1a1
122034b160133
13ba7b580155
1460c9417cc7
1533d55ac633
hex1d2c88e2b7

125301220023 has 32 divisors (see below), whose sum is σ = 195482822656. Its totient is φ = 69897165408.

The previous prime is 125301220003. The next prime is 125301220027. The reversal of 125301220023 is 320022103521.

It is not a de Polignac number, because 125301220023 - 225 = 125267665591 is a prime.

It is a super-2 number, since 2×1253012200232 (a number of 23 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125301220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1648740 + ... + 1723062.

It is an arithmetic number, because the mean of its divisors is an integer number (6108838208).

Almost surely, 2125301220023 is an apocalyptic number.

125301220023 is a deficient number, since it is larger than the sum of its proper divisors (70181602633).

125301220023 is a wasteful number, since it uses less digits than its factorization.

125301220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76243.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 125301220023 its reverse (320022103521), we get a palindrome (445323323544).

The spelling of 125301220023 in words is "one hundred twenty-five billion, three hundred one million, two hundred twenty thousand, twenty-three".

Divisors: 1 3 7 21 43 129 301 903 1867 5601 13069 39207 74323 80281 222969 240843 520261 561967 1560783 1685901 3195889 9587667 22371223 67113669 138761041 416283123 971327287 2913981861 5966724763 17900174289 41767073341 125301220023