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1001322030021 = 347103313220279
BaseRepresentation
bin11101001001000110111…
…00011010001111000101
310112201120212001111201220
432210203130122033011
5112401201414430041
62044000114110553
7132225456551655
oct16444334321705
93481525044656
101001322030021
113567271aa695
1214209087b459
1373569147c21
143666dc60365
151b0a7858d66
hexe92371a3c5

1001322030021 has 32 divisors (see below), whose sum is σ = 1381145026560. Its totient is φ = 644931690624.

The previous prime is 1001322029957. The next prime is 1001322030031. The reversal of 1001322030021 is 1200302231001.

1001322030021 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 1001322030021 - 26 = 1001322029957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001322030031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4435560 + ... + 4655838.

It is an arithmetic number, because the mean of its divisors is an integer number (43160782080).

Almost surely, 21001322030021 is an apocalyptic number.

It is an amenable number.

1001322030021 is a deficient number, since it is larger than the sum of its proper divisors (379822996539).

1001322030021 is a wasteful number, since it uses less digits than its factorization.

1001322030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220745.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1001322030021 its reverse (1200302231001), we get a palindrome (2201624261022).

The spelling of 1001322030021 in words is "one trillion, one billion, three hundred twenty-two million, thirty thousand, twenty-one".

Divisors: 1 3 47 103 141 309 313 939 4841 14523 14711 32239 44133 96717 220279 660837 1515233 4545699 10353113 22688737 31059339 68066211 68947327 206841981 1066370639 3199111917 3240524369 7101574681 9721573107 21304724043 333774010007 1001322030021